How many oz. is
200. mg?
(1) Identify the
given quantity and its unit; identify the unit sought
(2) Gather
useful unit-factors and outline a logical, systematic sequence of conversions
(3) Set
up conversions, following your outline and verifying the proper
placement of units in the unit factors.
(4) Place
appropriate numbers in the unit factors and carry out in indicated operations
10-3 g
¾¾
1 mg
g
¾¾ x
mg
given
oz
mg
lb.
oz
mg x
lb
¾¾ g
= oz
200. mg x
16 oz
x¾¾
1 lb
=
7.04 x 10-3 oz
g
oz
x¾¾ lb
1
lb
x ¾¾¾
454 g
200. mg
oz
1 mg = 1 x 10-3 g 1
lb = 454 g 16 oz = 1 lb
sought